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John Coughlin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Suffolk, Massachusetts
Our Model Tree links this John Coughlin across the 1920 and 1930 US Censuses in Suffolk, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 7-person household.
Age 45
b. ~1885
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Suffolk, Massachusetts |
| Surname | Coughlin |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Fireman |
| Industry | Stationary |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Fireman |
| Township / Ward | Boston City |
| Est. Birth Year | ~1885 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Barbara Coughlin | Daughter | — | 9 | ~1921 |
| Barbara Coughlin | Spouse | — | 41 | ~1889 |
| Bartholomew Coughlin | Son | — | 19 | ~1911 |
| John Coughlin | Son | — | 17 | ~1913 |
| Mary Coughlin | Daughter | — | 11 | ~1919 |
| Daniel Coughlin | Son | — | 15 | ~1915 |
| John Coughlin | Head | — | 45 | ~1885 |
Census Appearances
1920
Suffolk, Massachusetts
Head, age 40
Suffolk, Massachusetts · implied b. ~1880
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Coughlin |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1888 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | laborer |
| Industry | contractor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Suffolk, Massachusetts
Head, age 45
Suffolk, Massachusetts · implied b. ~1885 — 7 household members
| Surname | Coughlin |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman |
| Industry | Stationary |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Coughlin across 2 US Census years (1920 and 1930) in Suffolk, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
John Coughlin
Head · 1930 · age 45 · b. ~1885 · Massachusetts
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Suffolk, Massachusetts
Open full size
1930 US Federal Census — Suffolk, Massachusetts
Page Contents
47 people indexed on this census page (ia:1930:massachusettscensus00reel952:0281)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Shirley Boise | 12 | Daughter | — | Massachusetts |
| 52 | David Applebaum | 48 | Head | Tailor | Russia |
| 53 | Sophie Applebaum | 45 | Wife | — | Russia |
| 54 | Leona Applebaum | 22 | Daughter | Bookkeeper | Massachusetts |
| 55 | Ida Applebaum | 15 | Daughter | — | Massachusetts |
| 56 | Phoebe Applebaum | 13 | Daughter | — | Massachusetts |
| 57 | Dave Trachtenberg | 45 | Head | Watch Maker | Russia |
| 58 | Anna Trachtenberg | 45 | Wife | — | Russia |
| 59 | Tillie Rodeman | 72 | Mother-in-law | Knitter | Russia |
| 60 | Carl Trachtenberg | 20 | Son | — | Russia |
| 61 | Harold Trachtenberg | 17 | Son | — | Russia |
| 62 | Erwin Trachtenberg | 14 | Son | — | Russia |
| 63 | Dora Feinberg | 63 | Head | — | Russia |
| 64 | Isaac Feinberg | 43 | Son | Furniture | Russia |
| 65 | Sadie Feinberg | 30 | Daughter-in-law | — | Massachusetts |
| 66 | William Feinberg | 30 | Son | Salesman | Russia |
| 67 | Mildred Feinberg | 25 | Daughter | Saleslady | Russia |
| 68 | Solomon Savitz | 50 | Head | Tavern Keeper | Russia |
| 69 | Annie Savitz | 50 | Wife | — | Russia |
| 70 | Jean Savitz | 24 | Daughter | Bookkeeper | Massachusetts |
| 71 | Edith Savitz | 22 | Daughter | Bookkeeper | Massachusetts |
| 72 | Rebecca Savitz | 20 | Daughter | Bookkeeper | Massachusetts |
| 76 | Mabel Low | 65 | Head | — | Pennsylvania |
| 77 | James Low | 35 | Son | Mechanic | Massachusetts |
| 78 | Alice Low | 12 | Granddaughter | — | Massachusetts |
| 79 | Mabel Simonds | 34 | Daughter | — | Massachusetts |
| 80 | Marion Simonds | 10 | Granddaughter | — | Massachusetts |
| 81 | James Simonds | 6 | Grandson | — | Massachusetts |
| 82 | Willard Simonds | 52 | Boarder | Laborer | Massachusetts |
| 83 | George Caldwell | 25 | Boarder | Chauffeur | Massachusetts |
| 84 | Annie F. Hanley | 68 | Head | — | Maine |
| 85 | Emma L. Hanley | 56 | Sister | Saleslady | Maine |
| 86 | John J. Coughlin THIS PERSON | 45 | Head | Fireman | Ireland |
| 87 | Barbara Coughlin | 41 | Wife | — | Ireland |
| 88 | Bartholomew Coughlin | 19 | Son | Chemist | Massachusetts |
| 89 | John Coughlin | 17 | Son | Office Work | Massachusetts |
| 90 | Daniel Coughlin | 15 | Son | — | Massachusetts |
| 91 | Mary Coughlin | 11 | Daughter | — | Massachusetts |
| 92 | Barbara Coughlin | 9 | Daughter | — | Massachusetts |
| 93 | Joseph Schneider | 47 | Head | Restaurant Manager | Austria |
| 94 | Ida Schneider | 44 | Wife | — | Russia |
| 95 | Anna Schneider | 21 | Daughter | Stenographer | Massachusetts |
| 96 | Harry Schneider | 20 | Son | — | Massachusetts |
| 97 | Edith Schneider | 9 | Daughter | — | Massachusetts |
| 98 | Joseph Fink | 36 | Head | Mechanic | Russia |
| 99 | Frances Fink | 34 | Wife | — | Russia |
| 100 | Melvin Fink | 5 | Son | — | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)